Update Linux appdata.xml to match latest appdata conventions

Saradomin/Resources/Linux/org._2009scape.Launcher.appdata.xml

@@ -4,7 +4,7 @@
   <launchable type="desktop-id">org._2009scape.Launcher.desktop</launchable>
   <name>2009scape</name>
   <developer_name>2009scape</developer_name>
-  <summary>Launcher for Runescape 2009 Emulation Servers</summary>
+  <summary>2009 Runescape Emulation</summary>
   <metadata_license>CC0-1.0</metadata_license>
   <project_license>AGPL-3.0-or-later</project_license>
   <url type="homepage">https://2009scape.org/</url>
@@ -15,31 +15,30 @@
   </description>
 
   <screenshots>
-    <screenshot type="default">https://i.imgur.com/pmcGBRd.jpg</screenshot>
-    <screenshot>https://i.imgur.com/mKJ3j1c.png</screenshot>
-    <screenshot>https://i.imgur.com/HlyM2vN.png</screenshot>
-    <screenshot>https://i.imgur.com/SHqJlKf.png</screenshot>
-    <screenshot>https://i.imgur.com/ZzXLnkc.png</screenshot>
+    <screenshot type="default">
+      <image>https://i.imgur.com/pmcGBRd.jpg</image>
+      <caption>Running from Chickens - 2009scape, Play Now!</caption>
+    </screenshot>
+    <screenshot>
+      <image>https://i.imgur.com/mKJ3j1c.png</image>
+      <caption>2009scape Screenshot Collage - 2009scape Fully Authentic Remake</caption>
+    </screenshot>
+    <screenshot>
+      <image>https://i.imgur.com/HlyM2vN.png</image>
+      <caption>2009scape Login Screen - 2009scape has been hosted since 2017 for free</caption>
+    </screenshot>
+    <screenshot>
+      <image>https://i.imgur.com/SHqJlKf.png</image>
+      <caption>A 2009scape player in Falador after a Wyvern trip</caption>
+    </screenshot>
+    <screenshot>
+      <image>https://i.imgur.com/ZzXLnkc.png</image>
+      <caption>2009scape Hiscores - Players have cumulatively played over 20,000 hours on 2009scape</caption>
+    </screenshot>
   </screenshots>
 
   <releases>
-    <release version="1.8.0" date="2024-01-20" >
-      <description>
-        <p>Flatpak no longer has direct access to xdg-data/2009scape, and will instead use paths given by the Flatpak runtime environment (i.e. ~/.var/app/org._2009scape.Launcher)</p>
-      </description>
-    </release>
-    <release version="1.7.1" date="2024-01-05" >
-      <description>
-        <p>Small formatting improvements to Latest News feed</p>
-      </description>
-    </release>
-    <release version="1.7.0" date="2023-11-06" >
-      <description>
-        <p>Added Singleplayer Server Hosting to launcher</p>
-        <p>Bugfixes</p>
-      </description>
-    </release>
-    <release version="1.6.0" date="2023-08-26" >
+    <release version="1.6.0" date="2023-08-26">
       <description>
         <p>Plugin Management Overhaul</p>
         <p>Bugfixes</p>
@@ -59,4 +58,4 @@
     <content_attribute id="social-chat">moderate</content_attribute>
     <content_attribute id="money-gambling">moderate</content_attribute>
   </content_rating>
-</component>
+</component>